unmanned balloon meaning in Hindi

Examples

1. Two hundred unmanned balloons carried small bombs although few bombs actually hit the city.
2. The altitude record for an unmanned balloon is 53.0 kilometers.
3. It cites as examples unmanned balloons, moored balloons, kites or unmanned nonnuclear rockets or missiles.
4. The Navy's unmanned balloon program, 1954 eclipse of the sun from a Skyhook balloon over Minneapolis.
5. The BU60-1 scientific balloon holds the world altitude record for an unmanned balloon as of 2009, at 53.0 km.
6. "' High-altitude balloons "'are unmanned balloons, usually filled with helium or hydrogen and rarely methane, that are released into the stratosphere, generally attaining between.
7. The 1998 " environmental crimes " law made the launch, transport and storage of unmanned balloons a crime punishable by fines and even prison.
8. He fled from the Spanish Inquisition, and was in Paris in 1783 where he observed the first unmanned balloon flights by the Montgolfier brothers.
9. They conducted their high-altitude studies with unmanned balloons over Minnesota and the oceans, like the Navy's Operation Skyhook of 1949 off an aircraft carrier on the Equator.
10. In 1972 he developed the Winzen Research Balloon, which achieved the record for the highest unmanned balloon flight, setting a record altitude of 51, 816 m over Chico, California.